from tkinter import *
N = int(input('Введите коэффициент увеличения N:'))
X = int(input('Введите начальную координату X:'))
Y = int(input('Введите начальную координату Y:'))
coords = [0,0,10,0,10,10,20,10,20,0,30,0,30,20,0,20,0,0]
if N == 0 and X>=0 and X<=500 and Y>=0 and Y<=500:
     pass
else:
 if N > 0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
     pass
 else:
     if N < 0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
         pass
     else:
        print('Размер фигуры превышает максимальный размер поля')
        exit()
root = Tk()
root.title("ИТ марафон фигура 2")
root.geometry("500x500")
canvas = Canvas(bg="white", width=500, height=500)
canvas.pack(anchor=CENTER, expand=1)
canvas.create_polygon(
 coords[0] *N+X, coords[1] *N+Y,
 coords[2] *N+X, coords[3] *N+Y,
 coords[4] *N+X, coords[5] *N+Y,
 coords[6] *N+X, coords[7] *N+Y,
 coords[8] *N+X, coords[9] *N+Y,
 coords[10] *N+X, coords[11] *N+Y,
 coords[12] *N+X, coords[13] *N+Y,
 coords[14] *N+X, coords[15] *N+Y,
 coords[16]*N+X, coords[17]*N+Y)
root.mainloop()
